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xylan
Items for "xylan"
Evaluation of the structures of polysaccharides from three taxa in the genus Hymenena and from Acrosorium decumbens (Rhodophyta, Delesseriaceae)
The polysaccharides extracted from
Keywords: Acrosorium decumbens, Delesseriaceae, galactans, Hymenena palmata, Hymenena variolosa, Rhodophyta, sulfated polysaccharides, xylan
04/2005 | Botanica Marina, Walter de GruyterCharacterization of lignin-carbohydrate complexes from spruce sulfite pulp
Lignin-carbohydrate complexes (LCCs) were isolated from unbleached acid sulfite pulp by selective enzymatic hydrolysis followed by fiber swelling and extraction...
Keywords: acid sulfite pulp, glucomannan, lignin-carbohydrate complex (LCC), phenyl glucoside, xylan
03/2006 | Holzforschung, Walter de GruyterUpgrading of paper-grade pulps to dissolving pulps by nitren extraction: Optimisation of extraction parameters and application to different pulps
Xylans were selectively removed from paper-grade pulps by nitren extraction to produce dissolving pulps...
Keywords: carbohydrate composition, Cuen viscosity, dissolving pulp, Extraction, glucomannan, nitren, paper-grade pulp, xylan
07/2006 | Holzforschung, Walter de GruyterUltrastructure of commercial recycled pulp fibers for the production of packaging paper
Transmission electron microscopy was used to investigate the ultrastructure of recycled pulp fibers originating from a household collection plant and intended for the production of packaging paper...
Keywords: immunolabeling, internal and external fibrillation, microscopy, packaging paper, recycled pulp, ultrastructure, xylan
11/2005 | Holzforschung, Walter de GruyterFenton-induced degradation of polyethylene glycol and oak holocellulose. A model experiment in comparison to changes observed in conserved waterlogged wood
Degradation of polysaccharides and polyethylene glycol have recently been observed in the wood of the Swedish war-ship
Keywords: Acetic Acid, cellulose, formic acid, glycolic acid, hemicelluloses, Iron, oxalic acid, polyethylene glycol, sulfur, Vasa, wood degradation, xylan
11/2008 | Holzforschung, Walter de GruyterExtraction of galactoglucomannan from spruce wood with pressurised hot water
Sapwood chips and ground wood of spruce have been extracted with pressurised pure water in an accelerated solvent extractor at temperatures from 100 to 180°C...
Keywords: acetyl groups, galactoglucomannan, hemicelluloses, hot-water extraction, lignin, molar mass, Picea abies, pressurised extraction, spruce wood, xylan
11/2008 | Holzforschung, Walter de GruyterAnalysis of acids and degradation products related to iron and sulfur in the Swedish warship Vasa
Aqueous wood extracts from the historic Swedish warship
Keywords: Acetic Acid, cellulose, formic acid, glycolic acid, hemicelluloses, Iron, oxalic acid, polyethylene glycol, sulfur, Vasa, wood degradation, xylan
11/2008 | Holzforschung, Walter de GruyterHydrothermal dissolution of mixed southern hardwoods
A hydrothermal dissolution profile of wood components cellulose, hemicelluloses, and lignin of hardwood during autohydrolysis for 100 min at temperatures from 130 to 170°C in a modified accelerated solid extraction system (Dionex ASE-100) is described...
Keywords: autohydrolysis, Extraction, hardwood, hemicelluloses, lignin, oligosaccharides, xylan
09/2008 | Holzforschung, Walter de GruyterFractionation and characterization of xylan rich extracts from birch
There is a need for efficient separation processes that provide clean fractions of individual wood polymers...
Keywords: bonded lignin, fractionation, lignin-carbohydrate complexes, Liquid-liquid extraction, purification, Solubility, unbounded lignin, xylan
01/2008 | Holzforschung, Walter de Gruyter